CVE-2021-24476: Steam Group Viewer Project Steam Group Viewer

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The Steam Group Viewer WordPress plugin through 2.1 does not sanitise or escape its "Steam Group Address" settings before outputting it in the page, leading to an authenticated Stored Cross-Site Scripting issue

Affected products

• Steam Group Viewer Project Steam Group Viewer: up to and including 2.1

Published 2021-08-02. Last modified 2026-06-17.